
PEAK 870 User’s Manual
17
J12 : GPIO
Pin Definition
Pin
Definition
1 +5V
6
GP25_D_IN1(PIN25)
2 GND
7
GP22_D_OUT2(PIN22)
3 GP20_D_OUT0(PIN20) 8
GP26_D_IN2(PIN26)
4 GP24_D_IN0(PIN24)
9
GP23_D_OUT3(PIN23)
5 GP21_D_OUT1(PIN21) 10
GP27_D_IN3(PIN27)
J13 : External LPC connector
Pin Definition
Pin
Definition
1
ISA 14 MHZ
9
GND
2 GND
10
LPC
DRQ#
3 LPC
FRAME#
11
+3.3V
4 GND
12
Series
IRQ
5 LPC
Address
3
13
+3.3V
6 LPC
Address
2
14
Reset#
7 LPC
Address
1
15
GND
8
LPC Address 0
16
PCI 33MHZ
J14 : USB 0/1
Pin Definition
Pin
Definition
1 +5VSB
4
Data
1-
2
Data 0-
5
Data 1+
3 Data
0+
6
GND
J15 : USB 2/3
Pin Definition
Pin
Definition
1 +5VSB
4
Data
3-
2
Data 2-
5
Data 3+
3 Data
2+
6
GND
J17/J20 : COM2/COM1
Pin Definition
Pin
Definition
1 DCD
6
DSR
2 RXD
7
RTS
3 TXD
8
CTS
4 DTR
9
RI
5 GND
10
NC
J18 : Primary IDE
Pin Definition
Pin
Definition
1 Reset#
21
DMA
REQ
2 GND
22
GND
3 Data
7
23
IOW#
4 Data
8
24
GND
5 Data
6
25
IOR#
6 Data
9
26
GND